Watch List notes:

Mysia, Pergamon AR Cistophoric Tetradrachm. Struck circa 139-136 BC. Cista mystica with serpent; all within ivy wreath / Bow-case with serpents; Pergamon mint monogram to left, crested helmet right. Kleiner-Noe, Series 25b. 12.59g, 29mm, 12h.

Some roughness, otherwise Good Very Fine.